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This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.


How many triangles can you make on the 3 by 3 pegboard?

Making Squares

Investigate all the different squares you can make on this 5 by 5 grid by making your starting side go from the bottom left hand point. Can you find out the areas of all these squares?

Round Peg Board

Age 5 to 11 Challenge Level:
Choose the number of dots for your board and then choose the line drawing tool and click on two dots to draw a line between them.